(* COCANWIKI scripts.
 * Written by Richard W.M. Jones <rich@merjis.com>.
 * Copyright (C) 2004 Merjis Ltd.
 * $Id: create.ml,v 1.2 2004/09/07 13:40:10 rich Exp $
 *)

open Apache
open Registry
open Cgi
open Printf

open ExtString

open Cocanwiki
open Cocanwiki_emailnotify
open Cocanwiki_ok

let run r (q : cgi) (dbh : Dbi.connection) (hostid, hostname, _) _ =
  (* Get the page title. *)
  let title = q#param "title" in

  let url =
    match Wikilib.generate_url_of_title dbh hostid title with
	Wikilib.GenURL_OK url -> url
      | Wikilib.GenURL_TooShort | Wikilib.GenURL_BadURL ->
	  error ~back_button:true ~title:"Bad page name"
	    q "The page name supplied is too short or invalid.";
	  raise CgiExit
      | Wikilib.GenURL_Duplicate url ->
	  q#redirect ("http://" ^ hostname ^ "/" ^ url);
	  raise CgiExit in

  (* Description field must contain something. *)
  let description = q#param "description" in
  if description = "" then (
    error ~back_button:true ~title:"Description field missing"
      q "You must write a brief description for search engines and
         directories.";
    raise CgiExit
  );

  (* Get the IP address of the user, if available. *)
  let logged_ip =
    try `String (Connection.remote_ip (Request.connection r))
    with Not_found -> `Null in

  (* Create the page. *)
  let sth = dbh#prepare_cached "insert into pages (hostid, url, title,
                                  description, logged_ip)
                                values (?, ?, ?, ?, ?)" in
  sth#execute [`Int hostid; `String url; `String title; `String description;
	       logged_ip];

  let pageid = sth#serial "pages_id_seq" in

  (* Create a single section. *)
  let sectionname = "Section title - change this" in
  let content = "Write some content here." in

  let sth = dbh#prepare_cached "insert into contents (pageid, ordering,
                                  sectionname, content) values (?, 1, ?, ?)" in
  sth#execute [`Int pageid; `String sectionname; `String content];

  (* Commit. *)
  dbh#commit ();

  (* Email notification, if anyone is listed for this host. *)
  let subject = "Page " ^ url ^ " has been created" in
  let body = fun () ->
    "Page: http://" ^ hostname ^ "/" ^ url ^ "\n" in

  email_notify ~subject ~body dbh hostid;

  (* Redirect to the editing page. *)
  q#redirect ("http://" ^ hostname ^ "/" ^ url ^ "/edit")

let () =
  register_script run